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Word Pairs With All Vowels
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  • ExcelBI Excel Challenges
  • ⭐️⭐️ Easy

Word Pairs With All Vowels

Challenge No. 671: Find the pair of words which together contain all 5 vowels.
Solved using: Python in Excel.

January 31, 2026July 21, 2025
Transpose Table With Profit
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  • ⭐️ Beginner

Transpose Table With Profit

Challenge No. 670: Transpose the table as shown.
Solved using: Python.

January 31, 2026July 21, 2025
First Ten Tech Numbers
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  • ⭐️⭐️ Easy

First Ten Tech Numbers

Challenge No. 669: Tech Number – A number is a tech number if it has even number of digits and square of sum of first half and last half is equal to number itself.
Solved using: R.

January 30, 2026
Draw Alphabet Z Pattern
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  • ⭐️⭐️⭐️ Intermediate

Draw Alphabet Z Pattern

Challenge No. 668: Create alphabetic Z for N values as shown.
Solved using: Python.

January 30, 2026July 21, 2025
Pivot Data To Columns
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  • Pivot & Unpivot
  • ⭐️ Beginner

Pivot Data To Columns

Challenge No. 667: Pivot the data as shown.
Solved using: Python.

January 29, 2026July 21, 2025
Fill Missing With Average
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  • ⭐️ Beginner

Fill Missing With Average

Challenge No. 666: Fill in the blanks with (Total – Sum of non Blanks Values)/Number of Blanks
Hence for row 3: (580-(170+150))/1 = 260
For row 7: (440-90)/2 = 175
For row 9: (360-0)/3 = 120.
Solved using: Python.

January 29, 2026July 21, 2025
Bi And Trimorphic Numbers
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  • ⭐️ Beginner

Bi And Trimorphic Numbers

Challenge No. 665: Bi & Trimorphic Numbers – List numbers (n<100000) if n^3 and n^2 both end with n. Solved using: Python.

January 28, 2026July 21, 2025
Track Quality Test Rounds
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  • ⭐️ Beginner

Track Quality Test Rounds

Challenge No. 664: After 3 rounds of quality testing, list the remaining batches from Round0 after each Round.
Solved using: Python in Excel.

January 28, 2026July 21, 2025
Pivot Hierarchical Sublevels
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  • Pivot & Unpivot
  • ⭐️ Beginner

Pivot Hierarchical Sublevels

Challenge No. 663: Pivot the data as shown.
Solved using: Power Query.

January 27, 2026July 21, 2025
Matrix Transformation Series
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  • ⭐️⭐️⭐️⭐️ Advanced

Matrix Transformation Series

Challenge No. 661: Today’s challenge is contributed by 🇰🇷 Taeyong Shin
Converts the T1 matrix to a T2 matrix and the T2 matrix to a T3 matrix.
Solved using: Excel.

January 26, 2026July 21, 2025

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BYROW CHAR CODE CONCAT DROP FILTER HSTACK IF IFERROR INDEX LAMBDA LEFT LEN LET List.Distinct List.Transform LOOKUP MAP MATCH MAX MID MONTH Python Python Automation Python for Data Analysis Python for Excel REDUCE ROW ROWS SCAN SEQUENCE SORT SUBSTITUTE Table.AddColumn Table.Group Table.SelectRows TAKE Text.Combine Text.Split TEXTJOIN TEXTSPLIT TOCOL UNIQUE VSTACK XLOOKUP

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  • By Difficulty
    • ⭐️ Beginner
    • ⭐️⭐️ Easy
    • ⭐️⭐️⭐️ Intermediate
    • ⭐️⭐️⭐️⭐️ Advanced
    • ⭐️⭐️⭐️⭐️⭐️Expert
    • ⭐️⭐️⭐️⭐️⭐️⭐️Complex
  • By Topic
    • Advanced Mathematics Problem
    • Aggregation & Summarization
    • Column Splitting
    • Column Transformation
    • Custom Grouping
    • Data Cleaning
    • Data Transformation
    • Date & Time Handling
    • Financial Problems
    • Indexing & Ranking
    • Merging & Joining
    • Missing Values
    • Pivot & Unpivot
    • Text Processing
  • By Creator
    • Omid Challenges
    • ExcelBI Excel Challenges
    • ExcelBI Power Query Challenges
    • Crispo Challenges
  • By Software
    • DAX Challenges
    • Excel Challenges
    • Excel VBA Challenges
    • Google Sheets Challenges
    • Office Script Challenges
    • Power Query Challenges
    • Python Challenges
    • R Challenges
    • SQL Challenges
  • Books
    • 96 Common Challenges in Power Query